Engine Management; Adjusting The Carburetor - Stihl MM 55 Instruction Manual

English
4
3
Remove the air filter (3)
N
Check the air filter – replace if
N
necessary
NOTICE
Replace any damaged parts.
Insert air filter (3) in the filter
N
housing (4)
Refit the filter cover and screw it
N
down
18

Engine Management

Exhaust emissions are controlled by the
design of the fundamental engine
parameters and components (e.g.
carburation, ignition, timing and valve or
port timing) without the addition of any
major hardware.

Adjusting the Carburetor

General Information
The carburetor comes from the factory
with a standard setting.
This setting provides an optimum fuel-air
mixture under most operating
conditions.
Preparations
Shut off the engine.
N
Mount the MultiTool.
N
Check the air filter and clean or
N
replace if necessary.
Check the spark arresting screen
N
(not in all models, country-specific)
in the muffler and clean or replace if
necessary.
MM 55, MM 55 C